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Hundred Acre Interchange

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Hundred Acre Interchange
Location Map ( geo)
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Highway Authority
National Highways
Junction Type
Modified Dumbbell
Roads Joined
A303, A342, A343, B3402
Junctions related to the A342
Junctions related to the A343

Hundred Acre Interchange is a major junction on the A303, serving Andover.

It was originally named Hundred Acre Corner, and was where Monxton Road turned off the old A303 in Andover.

When the A303 Andover Bypass opened in the 1970s, this junction was built as a large roundabout with space for a future flyover. The Weyhill Bypass was built in the 1980s, and at this point the junction was converted into a dumbbell, with a larger roundabout at the north end that provided access to both sides of the old A303 and the new A343 Churchill Way.

The junction experienced a major upgrade in the 2010s, to accommodate the new Andover Business Park. The southern roundabout was removed, and a new northbound flyover was built, turning the junction into something similar to its original configuration. The main roundabout was signalised at the same time.


Route To Notes


Exeter, Amesbury, Thruxton


London, Basingstoke, Newbury, Winchester (A34), Salisbury (A343)


Devizes, Marlborough (A346), Ludgershall, Fyfield, Weyhill


Ring Road, Andover town centre, Portway Ind. Est. Charlton


Local Traffic Only
Andover Business Park


Grateley, Amport, Monxton, Abbotts Ann, Headquarters Land Forces
Error: C43 (Hampshire) does not exist

Hundred Acre Interchange
Other nearby junctions
Junctions on the M3, A303 and A316
A316Hogarth Roundabout • Chalkers Corner • Manor Circus • Richmond Circus • St. Margarets Roundabout • London Road Roundabout • Whitton Road Roundabout • Hospital Bridge Roundabout • Apex Corner • Waterworks Roundabout • Sunbury Cross
M3Sunbury Cross • Shepperton • 2 Thorpe • 3 Bagshot • 4 Frimley • 4A Minley • 5 Hook • 6 Black Dam • 7 Dummer • 8 Popham • 9 Winnall  • 10 Bar End • 11 Hockley Cross • 12 Allbrook • 13 Leigh Road • 14 Chilworth
A303Popham • Overton Road • Micheldever • Bullington Cross • Barton Stacey • Longparish • Picket Twenty • Winchester Road • Salisbury Road • Hundred Acre • Thruxton • Quarley • Parkhouse Cross • Double Hedges • Folly Bottom • Countess Roundabout • Stonehenge Bottom • Longbarrow Roundabout • Deptford • Furzehedge • Mere • Tinkers Hill • Wincanton • Chapel Cross • Hazelgrove Roundabout • Camel Cross • Podimore Roundabout • Ilchester Mead • Cartgate Roundabout • Hayes End Roundabout • Southfields Roundabout • Eagle Cross • Marsh • Stopgate Cross • Devonshire House

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